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 *   Copyright (c) 2022 Huawei Device Co., Ltd.
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abstract class SequenceModel {
  ////////////////////////////////////////////////////////////////
  // fields
  ////////////////////////////////////////////////////////////////
  protected charToOrderMap: number[];// short
  protected precedenceMatrix: number[];// byte
  protected typicalPositiveRatio: number;// float
  protected keepEnglishLetter: boolean;
  protected charsetName: string;

  ////////////////////////////////////////////////////////////////
  // methods
  ////////////////////////////////////////////////////////////////
  public constructor(
    charToOrderMap: number[],// short
    precedenceMatrix: number[],// byte
    typicalPositiveRatio: number,// float
    keepEnglishLetter: boolean,
    charsetName: string)
  {
    this.charToOrderMap = charToOrderMap.copyWithin(0, 0, charToOrderMap.length-1);
    this.precedenceMatrix = precedenceMatrix.copyWithin(0, 0, charToOrderMap.length-1);
    this.typicalPositiveRatio = typicalPositiveRatio;
    this.keepEnglishLetter = keepEnglishLetter;
    this.charsetName = charsetName;
  }

  public getOrder(b:number): number// short
  {
    var c:number = b & 0xFF;// int
    return this.charToOrderMap[c];
  }

  public getPrecedence(pos:number): number// byte
  {
    return this.precedenceMatrix[pos];
  }

  public getTypicalPositiveRatio(): number// float
  {
    return this.typicalPositiveRatio;
  }

  public getKeepEnglishLetter(): boolean
  {
    return this.keepEnglishLetter;
  }

  public getCharsetName(): string
  {
    return this.charsetName;
  }
}

export default SequenceModel;